[Oraclevm-errata] OVMSA-2019-0052 Important: Oracle VM 3.4 Unbreakable Enterprise kernel security update

[Errata Announcements for Oracle VM]

Oracle VM Security Advisory OVMSA-2019-0052

The following updated rpms for Oracle VM 3.4 have been uploaded to the 
Unbreakable Linux Network:

x86_64:
kernel-uek-4.1.12-124.32.3.2.el6uek.x86_64.rpm
kernel-uek-firmware-4.1.12-124.32.3.2.el6uek.noarch.rpm


SRPMS:
http://oss.oracle.com/oraclevm/server/3.4/SRPMS-updates/kernel-uek-4.1.12-124.32.3.2.el6uek.src.rpm



Description of changes:

[4.1.12-124.32.3.2.el6uek]
- x86/tsx: Add config options to set tsx=on|off|auto (Michal Hocko) 
[Orabug: 30419233] {CVE-2019-11135}
- x86/speculation/taa: Add documentation for TSX Async Abort (Pawan 
Gupta) [Orabug: 30419233] {CVE-2019-11135}
- x86/tsx: Add "auto" option to the tsx= cmdline parameter (Pawan Gupta) 
[Orabug: 30419233] {CVE-2019-11135}
- kvm/x86: Export MDS_NO=0 to guests when TSX is enabled (Pawan Gupta) 
[Orabug: 30419233] {CVE-2019-11135}
- x86/speculation/taa: Add sysfs reporting for TSX Async Abort (Pawan 
Gupta) [Orabug: 30419233] {CVE-2019-11135}
- x86/speculation/taa: Add mitigation for TSX Async Abort (Kanth 
Ghatraju) [Orabug: 30419233] {CVE-2019-11135}
- x86/cpu: Add a "tsx=" cmdline option with TSX disabled by default 
(Pawan Gupta) [Orabug: 30419233] {CVE-2019-11135}
- x86/cpu: Add a helper function x86_read_arch_cap_msr() (Pawan Gupta) 
[Orabug: 30419233] {CVE-2019-11135}
- x86/msr: Add the IA32_TSX_CTRL MSR (Pawan Gupta) [Orabug: 30419233] 
{CVE-2019-11135}

[4.1.12-124.32.3.1.el6uek]
- kvm: x86: mmu: Recovery of shattered NX large pages (Junaid Shahid) 
[Orabug: 29967631] {CVE-2018-12207}
- kvm: Add helper function for creating VM worker threads (Junaid 
Shahid) [Orabug: 29967631] {CVE-2018-12207}
- kvm: mmu: ITLB_MULTIHIT mitigation (Paolo Bonzini) [Orabug: 29967631] 
{CVE-2018-12207}
- KVM: x86: remove now unneeded hugepage gfn adjustment (Paolo Bonzini) 
[Orabug: 29967631] {CVE-2018-12207}
- KVM: x86: make FNAME(fetch) and __direct_map more similar (Paolo 
Bonzini) [Orabug: 29967631] {CVE-2018-12207}
- kvm: x86: Do not release the page inside mmu_set_spte() (Junaid 
Shahid) [Orabug: 29967631] {CVE-2018-12207}
- x86/cpu: Add Tremont to the cpu vulnerability whitelist (Pawan Gupta) 
[Orabug: 29967631] {CVE-2018-12207}
- x86: Add ITLB_MULTIHIT bug infrastructure (Pawan Gupta) [Orabug: 
29967631] {CVE-2018-12207}
- KVM: x86: MMU: Move mapping_level_dirty_bitmap() call in 
mapping_level() (Takuya Yoshikawa) [Orabug: 29967631] {CVE-2018-12207}
- Revert "KVM: x86: use the fast way to invalidate all pages" (Sean 
Christopherson) [Orabug: 29967631] {CVE-2018-12207}
- kvm: Convert kvm_lock to a mutex (Junaid Shahid) [Orabug: 29967631] 
{CVE-2018-12207}
- KVM: x86: MMU: Simplify force_pt_level calculation code in 
FNAME(page_fault)() (Takuya Yoshikawa) [Orabug: 29967631] {CVE-2018-12207}
- KVM: x86: MMU: Make force_pt_level bool (Takuya Yoshikawa) [Orabug: 
29967631] {CVE-2018-12207}
- KVM: x86: MMU: Remove unused parameter parent_pte from 
kvm_mmu_get_page() (Takuya Yoshikawa) [Orabug: 29967631] {CVE-2018-12207}
- KVM: x86: extend usage of RET_MMIO_PF_* constants (Paolo Bonzini) 
[Orabug: 29967631] {CVE-2018-12207}
- KVM: x86: MMU: Make mmu_set_spte() return emulate value (Takuya 
Yoshikawa) [Orabug: 29967631] {CVE-2018-12207}
- KVM: x86: MMU: Move parent_pte handling from kvm_mmu_get_page() to 
link_shadow_page() (Takuya Yoshikawa) [Orabug: 29967631] {CVE-2018-12207}
- KVM: x86: MMU: Move initialization of parent_ptes out from 
kvm_mmu_alloc_page() (Takuya Yoshikawa) [Orabug: 29967631] {CVE-2018-12207}